1 files changed, 80 insertions, 0 deletions
diff --git a/examples/others/org.eclipse.papyrus.example.diagram.simplediagram/src/org/eclipse/papyrus/example/diagram/simplediagram/sheet/UMLSheetLabelProvider.java b/examples/others/org.eclipse.papyrus.example.diagram.simplediagram/src/org/eclipse/papyrus/example/diagram/simplediagram/sheet/UMLSheetLabelProvider.java
new file mode 100644
index 00000000000..75a51a70c39
--- /dev/null
+++ b/examples/others/org.eclipse.papyrus.example.diagram.simplediagram/src/org/eclipse/papyrus/example/diagram/simplediagram/sheet/UMLSheetLabelProvider.java
@@ -0,0 +1,80 @@
+package org.eclipse.papyrus.example.diagram.simplediagram.sheet;
+
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.gmf.runtime.emf.type.core.IElementType;
+import org.eclipse.gmf.runtime.notation.View;
+import org.eclipse.jface.viewers.BaseLabelProvider;
+import org.eclipse.jface.viewers.ILabelProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.papyrus.example.diagram.simplediagram.navigator.UMLNavigatorGroup;
+import org.eclipse.papyrus.example.diagram.simplediagram.part.UMLVisualIDRegistry;
+import org.eclipse.papyrus.example.diagram.simplediagram.providers.UMLElementTypes;
+import org.eclipse.swt.graphics.Image;
+
+/**
+ * @generated
+ */
+public class UMLSheetLabelProvider extends BaseLabelProvider implements
+		ILabelProvider {
+
+	/**
+	 * @generated
+	 */
+	public String getText(Object element) {
+		element = unwrap(element);
+		if (element instanceof UMLNavigatorGroup) {
+			return ((UMLNavigatorGroup) element).getGroupName();
+		}
+		IElementType etype = getElementType(getView(element));
+		return etype == null ? "" : etype.getDisplayName();
+	}
+
+	/**
+	 * @generated
+	 */
+	public Image getImage(Object element) {
+		IElementType etype = getElementType(getView(unwrap(element)));
+		return etype == null ? null : UMLElementTypes.getImage(etype);
+	}
+
+	/**
+	 * @generated
+	 */
+	private Object unwrap(Object element) {
+		if (element instanceof IStructuredSelection) {
+			return ((IStructuredSelection) element).getFirstElement();
+		}
+		return element;
+	}
+
+	/**
+	 * @generated
+	 */
+	private View getView(Object element) {
+		if (element instanceof View) {
+			return (View) element;
+		}
+		if (element instanceof IAdaptable) {
+			return (View) ((IAdaptable) element).getAdapter(View.class);
+		}
+		return null;
+	}
+
+	/**
+	 * @generated
+	 */
+	private IElementType getElementType(View view) {
+		// For intermediate views climb up the containment hierarchy to find the one associated with an element type.
+		while (view != null) {
+			int vid = UMLVisualIDRegistry.getVisualID(view);
+			IElementType etype = UMLElementTypes.getElementType(vid);
+			if (etype != null) {
+				return etype;
+			}
+			view = view.eContainer() instanceof View ? (View) view.eContainer()
+					: null;
+		}
+		return null;
+	}
+
+}